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LMX2332UTM PDF预览

LMX2332UTM

更新时间： 2024-02-03 17:21:12
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
46页 7754K
描述
PLL FREQUENCY SYNTHESIZER, 1200MHz, PDSO20, 0.173 INCH, PLASTIC, TSSOP-20

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LMX2332UTM 技术参数

生命周期：Obsolete包装说明：,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.68Is Samacsys：N
模拟集成电路 - 其他类型：PLL FREQUENCY SYNTHESIZERBase Number Matches：1

LMX2332UTM 数据手册

 浏览型号LMX2332UTM的Datasheet PDF文件第2页浏览型号LMX2332UTM的Datasheet PDF文件第3页浏览型号LMX2332UTM的Datasheet PDF文件第4页浏览型号LMX2332UTM的Datasheet PDF文件第5页浏览型号LMX2332UTM的Datasheet PDF文件第6页浏览型号LMX2332UTM的Datasheet PDF文件第7页 
OBSOLETE  
LMX2330U, LMX2331U, LMX2332U  
www.ti.com  
SNAS058G –MAY 2001–REVISED APRIL 2013  
PLLatinum™ Ultra Low Power Dual Frequency Synthesizer for RF Personal  
Communications LMX2330U 2.5 GHz/600 MHz, LMX2331U 2.0 GHz/600 MHz, LMX2332U 1.2  
GHz/600 MHz  
Check for Samples: LMX2330U, LMX2331U, LMX2332U  
1
FEATURES  
DESCRIPTION  
The LMX233xU devices are high performance  
frequency synthesizers with integrated dual modulus  
prescalers. The LMX233xU devices are designed for  
use as RF and IF local oscillators for dual conversion  
radio transceivers.  
23  
•
Ultra Low Current Consumption  
Upgrade and Compatible to LMX233xL Family  
2.7V to 5.5V Operation  
•
•
•
Selectable Synchronous or Asynchronous  
Powerdown Mode:  
A 32/33 or a 64/65 prescale ratio can be selected for  
the 2.5 GHz LMX2330U RF synthesizer. A 64/65 or a  
128/129 prescale ratio can be selected for both the  
LMX2331U and LMX2332U RF synthesizers. The IF  
circuitry contains an 8/9 or a 16/17 prescaler. Using a  
proprietary digital phase locked loop technique, the  
LMX233xU devices generate very stable, low noise  
control signals for RF and IF voltage controlled  
oscillators. Both the RF and IF synthesizers include a  
two-level programmable charge pump. The RF  
synthesizer has dedicated Fastlock circuitry.  
–
ICC-PWDN = 1 μA typical  
•
Selectable Dual Modulus Prescaler:  
–
–
–
–
LMX2330U RF: 32/33 or 64/65  
LMX2331U RF: 64/65 or 128/129  
LMX2332U RF: 64/65 or 128/129  
LMX2330U/31U/32U IF: 8/9 or 16/17  
•
•
Selectable Charge Pump TRI-STATE Mode  
Programmable Charge Pump Current Levels  
–
RF and IF: 0.95 or 3.8 mA  
Serial data is transferred to the devices via a three-  
wire interface (Data, LE, Clock). Supply voltages from  
2.7V to 5.5V are supported. The LMX233xU family  
features ultra low current consumption:  
•
Selectable Fastlock Mode for the RF  
Synthesizer  
•
•
Push-Pull Analog Lock Detect Output  
LMX2330U (2.5 GHz)—3.3 mA, LMX2331U (2.0  
GHz) —2.9 mA, LMX2332U (1.2 GHz)—2.5 mA at  
3.0V.  
Available in 20-Pin TSSOP, 24-Pin LGA, and  
20-Pin ULGA  
The LMX233xU devices are available in 20-Pin  
TSSOP, 24-Pin LGA, and 20-Pin ULGA surface  
mount plastic packages.  
APPLICATIONS  
•
Mobile Handsets  
–
(GSM, GPRS, W-CDMA, CDMA, PCS, AMPS,  
PDC, DCS)  
•
Cordless Handsets  
(DECT, DCT)  
–
•
•
Wireless Data  
Cable TV Tuners  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
PLLatinum is a trademark of Texas Instruments.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2001–2013, Texas Instruments Incorporated  
1234567...46

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